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The following code is some of the most commonly used date processing functions, can be two times the date plus and minus, the difference between the two dates, date conversion time cut.
echo Date (' y-m-d ', Strtotime (' +1 d ', strtotime (' 2009-07-08 '))//
PHP Tutorial convert timestamp to commonly used date format with calculated time difference: The default return type is "minutes"
function Trans_time ($timestamp) {
if ($timestamp else return date ("Y-m-d h:i:s", $timestamp);
}
Get IPfunction Get_ip () {if ($_server["http_x_forwarded_for"])$ip = $_server["Http_x_forwa
The php tutorial converts the timestamp to a common date format and the calculation time difference: the default return type is "Minute"Function trans_time ($ timestamp ){If ($ timestamp Else return date ("y-m-d h: I: s", $ timestamp );}
// Obtain the ip addressFunction get_ip (){If ($ _ server ["http_x_forwarded_for"]
Php date processing function (calculate time difference, convert timestamp date ). The conversion timestamp of the php Tutorial is a commonly used date format and calculation Time difference: the default return type is minute func
Difference between date and gmdate in the date function in php
Echo date ('Y-m-d H: I: S', time (); output: 2013-03-14 12:15:27
Echo gmdate ('Y-m-d H: I: S', time (); output: 2013-03-14 04:15:27
The above is the result of running PHP in Li
numbers indicate the day ordinal of the month (range 00 to 31).The%H uses a 24-hour number to denote the number of hours (ranging from 00 to 23).%I A 12-hour number indicates the number of hours (range 01 to 12).%j indicates the day of the Year in Numbers (range 001 to 366).Number of%m months (range from 1 to 12).%M minutes.%p indicates the local time with ' AM ' or ' PM '.%s Number of seconds.The number of%u is expressed as the week of the current year, and the first one weeks start in Sunday.
When we develop, we often encounter to add a time to another time minus is it, I would like to recommend two PHP date difference days processing function.
First type:function count_days ($a, $b) {$a _dt=getdate ($a);$b _dt=getdate ($b);$a _new=mktime (12,0,0, $a _dt[' mon '), $a _dt[' mday '], $a _dt[' year ']);$b _new=mktime (12,0,0, $b _dt[' mon '), $b _dt[' M
Phptime () uses the date function to calculate the time difference between the local computer and the server. I recently configured a wamp server, but found that the time is different from the local time, and the time obtained by using time is displayed as date, next we will export a server with a wamp environment rece
Nbsp; Beijing time is in Zone 8, which may be due to time zone issues. but it was okay before. after google found that php started from php5.1.0. date is added to ini. the timezone option is disabled by default: php function date ( quot; Y-n-dH-I-s quot ;); the output time is 8 hours different from the local time. solution: Beijing time is East 8, maybe Beijing
Beijing time is East 8, which may be due to time zone issues. but it was okay before. after google found that php started from php5.1.0. date is added to ini. the timezone option is disabled by default when the Beijing time is East 8, which may be due to time zone issues. but it was okay before. after google found that php started from php5.1.0. date is added to ini. timezone is disabled by default.
Proble
Common date functions in php [date addition and subtraction, difference between two dates, date conversion time cut] common date functions in php [date addition and subtraction, difference
We have finished sorting out the Oracle numeric functions in the last few days, and sorted out the Oracle date functions this evening. If you cannot remember all these things, you must be aware of them. Knowing that they exist can avoid a detour in the development process. From the end to the end, there are still a lot of GAINS.
I. Date Algorithm
1. sysdate, current_date, and systimestamp
Oracle uses the cu
yearSelect Datename (WEEKDAY, ' 2016-8-31 ')--datepart is equivalent to Datename, the difference is that Datename returns a string, and DATEPART returns an int typeSelect DATEPART (WEEKDAY, ' 2016-8-31 ')--1 is Sunday, 7 is Saturday--Returns an integer that returns the year, month, and day of the dateSelect year (' 2016-8-31 ')Select month (' 2016-8-31 ')Select Day (' 2016-8-31 ')--Get local timeSelect GETDATE ()--No parameters required--Get the exac
)
Empty when NULL is returned
MONTH (d)
Extract specific months from a date
Time function
HQL
MONTH (Time field)
Empty when NULL is returned
Year (d)
Extracting a specific year from a date
Time function
HQL
Year (Time field)
Empty when N
PM
3
B -- Swatch Internet time -- 000 to 999
4
G-hour, 12-hour format-no leading zero 1 to 12
5
G -- hour, 24-hour format -- no leading zero 0 to 23
6
H -- hour, 12-hour format -- with a leading zero 01 to 12
7
H-hour, 24-hour format-with a leading zero 00 to 23
8
I -- minute -- 00 to 59
9
S -- seconds -- 00 to 59
Time zone)
1
E -- time zone ID (new in PHP 5.1.0) -- UTC, GMT, Atlanta/Azores
2
When I -- is enabled or not -- timeout is 1; otherwise, it is 0.
3
T -- Abbreviation of time zone --
-hour, 12-hour format-no leading zero 1 to 12
5
G -- hour, 24-hour format -- no leading zero 0 to 23
6
H -- hour, 12-hour format -- with a leading zero 01 to 12
7
H-hour, 24-hour format-with a leading zero 00 to 23
8
I -- minute -- 00 to 59
9
S -- seconds -- 00 to 59
Time zone)
1
E -- time zone ID (new in PHP 5.1.0) -- UTC, GMT, Atlanta/Azores
2
When I -- is enabled or not -- timeout is 1; otherwise, it is 0.
3
T -- Abbreviation of time zone -- for example: EST, MDT
4
Z --
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